/// <summary>
/// Permanently deletes the specified vault. aka Purges the deleted Azure key
/// vault.
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='vaultName'>
/// The name of the soft-deleted vault.
/// </param>
/// <param name='location'>
/// The location of the soft-deleted vault.
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task BeginPurgeDeletedAsync(this IVaultsOperations operations, string vaultName, string location, CancellationToken cancellationToken = default(CancellationToken))
{
(await operations.BeginPurgeDeletedWithHttpMessagesAsync(vaultName, location, null, cancellationToken).ConfigureAwait(false)).Dispose();
}